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ololo11 [35]
4 years ago
5

I need help with a through d

Mathematics
1 answer:
FinnZ [79.3K]4 years ago
3 0
A.) y = x - 4
b.) y = 8x
c.) y = 12x - 4
d.) y = x - 4
I am like 90% positive this is right but don’t count on it. I tried.
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20%

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Sin (x/2)= √2- sin (x/2) solve for the exact solutions in the interval (0, 2π)
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sin\left( \frac{x}{2} \right)=\sqrt{2}-sin\left( \frac{x}{2} \right)\implies sin\left( \frac{x}{2} \right)+sin\left( \frac{x}{2} \right)=\sqrt{2}\implies 2sin\left( \frac{x}{2} \right)=\sqrt{2} \\\\\\ sin\left( \cfrac{x}{2} \right)=\cfrac{\sqrt{2}}{2}\implies sin^{-1}\left[ sin\left( \cfrac{x}{2} \right) \right]=sin^{-1}\left( \cfrac{\sqrt{2}}{2} \right) \implies \cfrac{x}{2}= \begin{cases} \frac{\pi }{4}\\\\ \frac{3\pi }{4} \end{cases} \\\\[-0.35em] ~\dotfill

\cfrac{x}{2}=\cfrac{\pi }{4}\implies \boxed{x=\cfrac{\pi }{2}}~\hfill \cfrac{x}{2}=\cfrac{3\pi }{4}\implies \boxed{x=\cfrac{3\pi }{2}}

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3 years ago
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In this case any correlation (relationship between cause-effect)will be purely by chance.

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3 years ago
Write an equation in slope intercept form of the line that passes through the points (2.6) and (-4,-2).
Katena32 [7]
Not sure if this is the right answer but try math-way it helps me a lot.

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